Re: [Sip-implementors] Early dialog forking

2010-09-02 Thread Eduardo Martins
Thanks all. -- Eduardo -:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:- http://emmartins.blogspot.com http://www.redhat.com/solutions/telco On Fri, Sep 3, 2010 at 12:15 AM, Iñaki Baz Castillo wrote: > 2010/9/2 Paul Kyzivat : >> (a) is the correct answer. >> >> You *may* need to send requ

Re: [Sip-implementors] Early dialog forking

2010-09-02 Thread Iñaki Baz Castillo
2010/9/2 Paul Kyzivat : > (a) is the correct answer. > > You *may* need to send requests in an early dialog. > For instance, a reliable provisional response requires a prack to be > sent in the dialog. Also in some cases an UPDATE may need to be sent to > carry an additional offer. And there could

Re: [Sip-implementors] Early dialog forking

2010-09-02 Thread Paul Kyzivat
Eduardo Martins wrote: > Hello, trying to clarify thoughts with early dialog forking, generally > is there such concept? > > For instance when receiving two 180s with different tags, should: > > a) 2 early dialogs be "constructed" (why? is there any need to a > REQUEST to be sent before receivi

Re: [Sip-implementors] Early dialog forking

2010-09-02 Thread Tomasz Zieleniewski
Hi Eduardo, Generally dialog is an end to end relation, not a SIP Proxy one. Proxy layer is built above transaction layer and there is no dialog forking there is only a request forking. When SIP Proxy receives a response, possibly related to forked requests, it finds the appropriate response conte

[Sip-implementors] Early dialog forking

2010-09-02 Thread Eduardo Martins
Hello, trying to clarify thoughts with early dialog forking, generally is there such concept? For instance when receiving two 180s with different tags, should: a) 2 early dialogs be "constructed" (why? is there any need to a REQUEST to be sent before receiving 2xx response which needs the tags?)